Sound-reproducing machine



supra, 1925.

F. L. BUCK SQUID REPRODUCIM IAGHIII Film1 Juni 5, 1924 arrsnnay,

An lisation led Enne 3,

To all u2/0m t may Concern.

Be it known that l, Fin/mois Lnsnm BUCK, e subject of: the King ot the United Kingn dom of Gient Brit-Lin and ireland, residingl :2t Konin, Upper Kennedy lexi'neo. ciddinw tom ii'iebene, Queenslnnh nu: felis7 have invented new :ind useful linpiowmonts in rSiouncl-Repiodueing ivi:iehinos ot which the following is a specification.

'l his invention relates to improvements in sound l'epiodueing machines, the object of W iieh is to improve the tone.

The invention consists oit o solid block oi sott 'Wood oil othei1 suitable material glued into the neel; oi the tone Chamber, the top of the block being` flush with the sides of seme7 said bloei: is piovided with a Circuler passage, extending; downnf'nids foi about two and n heli? inches, the Wall of Which is left somewhat i'ough practically in the eondition es When boied out by e bit.

The uppei1 end out the blo-ek is attached to :i superimposed Het piece ot Wood which may 'form :i port oit the bed oit the instrun'ient, oi attached to the bed ot the institument, piovided with e eountei'sunk hole having e Composite stone suiieee for pi'eventing` the diffusion of sound which is diieeted by the eiieulsil passage through the tone chamber on to the sounding); bozii'd which `terms the bottom portion of the hoin.

To fully describe the invention reference is now mede to the accompanying drewings in Whiehz QUEnNSLND, AUSTRALA.

EIAOEINE.

192A. Serial No. 717,453.

l, is n perspective View of the horn and the tone chombei".

Vig, 91, perspective View to enlarged seele showingl the bleek of Wood oi' othei1 suitable mntei'iol glued into the neel( of the tone ehombei: und attached to the superimposed membei.

Figi'. 3, section of superimposed member showing eounteisunl: hole.

Fig'. et) cross section through A-B of Fig'. 2.

A is the horn, A the tone Chamber, B the solid block provided With circular passage i3, C the supei'imposed memben C the eountei'sunk hole and C2 Composite stone coating.

rThe linnged end of the tone arm fits over the eountei'snnk hole C and is suitably at tziehed to the supei'imposed member.

llhat l Gleim es my invention and de site to secure by Letteis 'ntent is A device ot the class deseiibed, oompisising` n solid block of suitable materiel piovided With :iy eiieulm opening theiethi'ough and adopted to lit into the neck oit the tone ehsmbei' ot a i'egiodneing machine, and oJ membei superimposed on said block and having); i eounteisunk opening` in nlinement with the opening of the block, seid countensunk opening` having its Well coated With e Composite stone substance.

ln testimony Wheieo'f l have signed my name to this specification.

FRANC/ICS LESLE BUCK.

CTX 

